63208641157464 has 32 divisors (see below), whose sum is σ = 172387203157440. Its totient is φ = 19154133684000.

The previous prime is 63208641157391. The next prime is 63208641157471. The reversal of 63208641157464 is 46475114680236.

It is a super-2 number, since 2×63208641157464² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119713335262 + ... + 119713335789.

It is an arithmetic number, because the mean of its divisors is an integer number (5387100098670).

Almost surely, 2^{63208641157464} is an apocalyptic number.

It is an amenable number.

63208641157464 is an abundant number, since it is smaller than the sum of its proper divisors (109178561999976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63208641157464 is a wasteful number, since it uses less digits than its factorization.

63208641157464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239426671071 (or 239426671067 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 63208641157464 in words is "sixty-three trillion, two hundred eight billion, six hundred forty-one million, one hundred fifty-seven thousand, four hundred sixty-four".